Volume 26 Issue 3
Mar.  2011
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SUN Li-guo, SUN Jian-guo, ZHANG Hai-bo, CHEN Guo-qiang. Torque feed-forward control of engine / helicopter system based on support vector regression[J]. Journal of Aerospace Power, 2011, 26(3): 680-686.
Citation: SUN Li-guo, SUN Jian-guo, ZHANG Hai-bo, CHEN Guo-qiang. Torque feed-forward control of engine / helicopter system based on support vector regression[J]. Journal of Aerospace Power, 2011, 26(3): 680-686.

Torque feed-forward control of engine / helicopter system based on support vector regression

  • Received Date: 2010-02-05
  • Rev Recd Date: 2010-05-18
  • Publish Date: 2011-03-28
  • Turbo-shaft engine's controller design based on the compensation from disturbance was mainly studied in this article.A torque prediction model design scheme was proposed based on recursive reduced least squares support vector regression(RR-LSSVR)algorithm and model prediction procedure.Firstly,reduced least squares support vector regression was utilized to train the dynamic estimation nonparametric model of torque by using the handling input and flight state variables as training data.Then,a prediction procedure was arranged to obtain the torque information in advance.After that,the turbo-shaft engine's compensator was implemented using the former predicted torque information.In order to take full advantage of the disturbance signal and its dynamic information,the proportional-differential form was adopted in the compensator design.Finally,simulation of integrated helicopter/turbo-shaft engine system shows that the control scheme has better dynamic disturbance rejection ability than traditional system,it can decrease the droop of power turbine's speed more than 10%.

     

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